Add a unified resource tracker shared between the proxy and the impl.

ppapi/proxy/plugin_dispatcher.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ppapi/proxy/plugin_dispatcher.h"
 
 #include <map>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_sync_channel.h"
 #include "base/debug/trace_event.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/proxy/interface_proxy.h"
 #include "ppapi/proxy/plugin_message_filter.h"
 #include "ppapi/proxy/plugin_resource_tracker.h"
 #include "ppapi/proxy/plugin_var_serialization_rules.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/ppb_char_set_proxy.h"
 #include "ppapi/proxy/ppb_cursor_control_proxy.h"
 #include "ppapi/proxy/ppb_font_proxy.h"
 #include "ppapi/proxy/ppb_instance_proxy.h"
 #include "ppapi/proxy/ppp_class_proxy.h"
 #include "ppapi/proxy/resource_creation_proxy.h"
+#include "ppapi/shared_impl/resource.h"
 #include "ppapi/shared_impl/tracker_base.h"
 
 #if defined(OS_POSIX)
 #include "base/eintr_wrapper.h"
 #include "ipc/ipc_channel_posix.h"
 #endif
 
+using ppapi::Resource;
+
 namespace pp {
 namespace proxy {
 
 namespace {
 
 typedef std::map<PP_Instance, PluginDispatcher*> InstanceToDispatcherMap;
 InstanceToDispatcherMap* g_instance_to_dispatcher = NULL;
 
 }  // namespace
 
@@ skipping 23 matching lines @@
   if (!g_instance_to_dispatcher)
     return NULL;
   InstanceToDispatcherMap::iterator found = g_instance_to_dispatcher->find(
       instance);
   if (found == g_instance_to_dispatcher->end())
     return NULL;
   return found->second;
 }
 
 // static
+PluginDispatcher* PluginDispatcher::GetForResource(const Resource* resource) {
+  return GetForInstance(resource->pp_instance());
+}
+
+// static
 const void* PluginDispatcher::GetInterfaceFromDispatcher(
     const char* interface) {
   // All interfaces the plugin requests of the browser are "PPB".
   const InterfaceProxy::Info* info = GetPPBInterfaceInfo(interface);
   if (!info)
     return NULL;
   return info->interface_ptr;
 }
 
 bool PluginDispatcher::InitPluginWithChannel(
@@ skipping 216 matching lines @@
   // once they're set. The user will have to restart to get new font prefs
   // propogated to plugins.
   if (!received_preferences_) {
     received_preferences_ = true;
     preferences_ = prefs;
   }
 }
 
 }  // namespace proxy
 }  // namespace pp